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Finding the Third Proportional to 18,981,411 and 28,347,734

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Solution

The third proportional to 18,981,411 and 28,347,734 is: 42,335,842.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,981,411 : 28,347,734 = 28,347,734 : x
  2. Step 2: Convert to fraction form
    18,981,411/28,347,734 = 28,347,734/x
  3. Step 3: Cross multiply
    18,981,411x = 28,347,734 × 28,347,734
  4. Step 4: Simplify right side
    18,981,411x = 803,594,022,934,756
  5. Step 5: Solve for x
    x = 803,594,022,934,756/18,981,411
  6. Step 6: Final answer
    x = 42,335,842.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.